High-frequency electric knife, large sapillary knife, sapphire knife ... ... you have heard? Do you understand their use? Quest doctors commonly used 10 kinds of scalpels. According to experts, although they have some shape, and some even look like a knife, but have their own strengths, they can not only save the dying, to the disease demons, but also carved face. These knives are not only the doctor's right-hand man, but also the disease's "cold noodles."